Electrical connection



" 'retenue .isa e, ma 2,433892` 'liant Cortile, Tlassett. Wis.

Application November 'i9,f?i9fi5, Seriai No. 529,563 2, (IJ/laines. (Gl. it-3242) The invention relates to improvements in elec tor wires maybe readily attached in such manner trical connections, and more specially to electrical as to insure against any possibility of short plugs for making electrical connections with wall circuits.

sockets or the like, the primary object of the In the modification illustrated in Figs. 6 and 7,

invention being the provision of a small and inex- 5 the contacts i'i are provided with pointed prongs pensive connection of the character indicated in -2l adapted to penetrate the insulation on the which itis impossible for the conductor wires to conductors I ll. and thus avoid the necessity of become short circuited. removing said insulation therefrom.

Other Objects will appear hereinafter, .f While I have illustrated and described the pre rLihe invention consists of the combinations and lo ferred form of construction for carrying the arrangements of parts hereinafter described and invention into effect, this is capable of variation claimed. and modification without departing from the The invention will be best understood by referspirit of the invention. i therefore do not wish ence to the accompanying drawings forming a to be limited to the precise details disclosed, but part of this specification, and in Whichl5 desire to avail myself of suchvariations and-modi Fig. l is a side view of a connection embodying ications as fall within the scope O the appended the invention; claims. l

Fig. 2, a top plan view of the saine; I claim:

Fig. 3, an enlarged transverse section of the 1. An electrical connection comprislngacasing; connection taken substantially on line a-.a of 20 tubular conduits of insulating material in hook iiig. 2; form arranged in said casing to receive the con- Fig. 4, an enlarged transverse section taken ductors of an electric circuit; there being opensubstantially on line Il-ii of Fig- 2; ings on the under side oi said conduits exposing Fig. 5, an enlarged detail section showing the portions of said conductors', contacts arranged to arrangement of cross head, electric contact and 25 Contact with said conductors through Said Openconduit employed in the construction; ings; a cross head of insulating material arranged Fig. 6, a view similar to Fig. 5 but showing a and adapted t0 0&113/ Said Contact/S, Said CIOSS slightly modied form of construction; and head extending through Said hooks: meanS for Fig. '7. a section taken on line 1-1 of Fig. 6. l pressing. said contacts againstsaid conductors;

The embodiment of the invention illustrated 30 and connectors in an electrical connection with in Figs. 1 to 5 of the drawings comprises a suitable Said contacts. casing I0 of insulating material having a cross 2. An electrical connection comprising a Cas supporting bar II adjacent one end thereof and ing; tubular conduits of insulating material in reduced neck portion I2 at the other end. Two hook form arranged in 'Said casing to receive theA tubular conduits I3 of insulating material are 35 conductors of an electric circuit; there beingA arranged as indicated, being secured in the neck Openings 0n the under Side 0f Said conduits GXDOS- I2 and extending inwardly therefrom, said coning portions of said conductors; contacts arduits being upwardly tapered in shape and ranged to contact with the conductors through adapted and arranged to receive the independent said openings; a cross head of insulating material conductors I4 of an electric cable I5. The inner 40 arranged and adapted t0 Carry Said COD-taCtS. Sad

portions of the conduits i3 are in the form of Cross head extending throughl said hooks: a hooks IE and the under sides of said hooks are Clamping Screw engaged with said cross head to open for the admission of contacts II, as indicontact said contacts simultaneously, and concated. The contacts I1 are carried by a single nectors in contact with said contacts.

cross head I8 of insulating material, and are at- 45 NAT CORDIS. tached to the connectors or prongs I9 of the plug i as shown. A single screw 20 is arranged, as indi- REFERENCES CITED cated, for manipulation 0f the CrOSS head |8- The following references are of record in the In use and operation, the insulation is removed me of this patent: i

from the conductors I4 and said bare conductors 50 inserted in the conduits I3. Then by tightening I UNITIED STATES PATENTS the screw 2U, adequate electrical connection is Number Name Date made with the prongs I9., as will be readily under- 1,247,026 Smith --.L Nov. 20, i917 stood. In this way a simple and effective elec 2,121,063 Walter June 21. i938 trical connection is provided in which the conduc 55 2,353,882 Despard July 18, 1944 

